<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>libnl: lib/route/rtnl.c Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libnl <span id="projectnumber">1.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <h1>lib/route/rtnl.c</h1> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> * lib/route/rtnl.c Routing Netlink</span> <a name="l00003"></a>00003 <span class="comment"> *</span> <a name="l00004"></a>00004 <span class="comment"> * This library is free software; you can redistribute it and/or</span> <a name="l00005"></a>00005 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span> <a name="l00006"></a>00006 <span class="comment"> * License as published by the Free Software Foundation version 2.1</span> <a name="l00007"></a>00007 <span class="comment"> * of the License.</span> <a name="l00008"></a>00008 <span class="comment"> *</span> <a name="l00009"></a>00009 <span class="comment"> * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch></span> <a name="l00010"></a>00010 <span class="comment"> */</span> <a name="l00011"></a>00011 <span class="comment"></span> <a name="l00012"></a>00012 <span class="comment">/**</span> <a name="l00013"></a>00013 <span class="comment"> * @ingroup nlfam</span> <a name="l00014"></a>00014 <span class="comment"> * @defgroup rtnl Routing Netlink</span> <a name="l00015"></a>00015 <span class="comment"> * @{</span> <a name="l00016"></a>00016 <span class="comment"> */</span> <a name="l00017"></a>00017 <a name="l00018"></a>00018 <span class="preprocessor">#include <netlink-local.h></span> <a name="l00019"></a>00019 <span class="preprocessor">#include <netlink/netlink.h></span> <a name="l00020"></a>00020 <span class="preprocessor">#include <netlink/utils.h></span> <a name="l00021"></a>00021 <span class="preprocessor">#include <netlink/route/rtnl.h></span> <a name="l00022"></a>00022 <span class="comment"></span> <a name="l00023"></a>00023 <span class="comment">/**</span> <a name="l00024"></a>00024 <span class="comment"> * @name Sending</span> <a name="l00025"></a>00025 <span class="comment"> * @{</span> <a name="l00026"></a>00026 <span class="comment"> */</span> <a name="l00027"></a>00027 <span class="comment"></span> <a name="l00028"></a>00028 <span class="comment">/**</span> <a name="l00029"></a>00029 <span class="comment"> * Send routing netlink request message</span> <a name="l00030"></a>00030 <span class="comment"> * @arg handle Netlink handle.</span> <a name="l00031"></a>00031 <span class="comment"> * @arg type Netlink message type.</span> <a name="l00032"></a>00032 <span class="comment"> * @arg family Address family.</span> <a name="l00033"></a>00033 <span class="comment"> * @arg flags Additional netlink message flags.</span> <a name="l00034"></a>00034 <span class="comment"> *</span> <a name="l00035"></a>00035 <span class="comment"> * Fills out a routing netlink request message and sends it out</span> <a name="l00036"></a>00036 <span class="comment"> * using nl_send_simple().</span> <a name="l00037"></a>00037 <span class="comment"> *</span> <a name="l00038"></a>00038 <span class="comment"> * @return 0 on success or a negative error code.</span> <a name="l00039"></a>00039 <span class="comment"> */</span> <a name="l00040"></a><a class="code" href="group__rtnl.html#ga1fcd1a88d7f810c50849f13d97b5fe10">00040</a> <span class="keywordtype">int</span> <a class="code" href="group__rtnl.html#ga1fcd1a88d7f810c50849f13d97b5fe10" title="Send routing netlink request message.">nl_rtgen_request</a>(<span class="keyword">struct</span> nl_handle *handle, <span class="keywordtype">int</span> type, <span class="keywordtype">int</span> family, <span class="keywordtype">int</span> flags) <a name="l00041"></a>00041 { <a name="l00042"></a>00042 <span class="keyword">struct </span>rtgenmsg gmsg = { <a name="l00043"></a>00043 .rtgen_family = family, <a name="l00044"></a>00044 }; <a name="l00045"></a>00045 <a name="l00046"></a>00046 <span class="keywordflow">return</span> <a class="code" href="group__nl.html#ga73ed88a505f2d67bcf328183fe1e692a" title="Send simple netlink message using nl_send_auto_complete()">nl_send_simple</a>(handle, type, flags, &gmsg, <span class="keyword">sizeof</span>(gmsg)); <a name="l00047"></a>00047 } <a name="l00048"></a>00048 <span class="comment"></span> <a name="l00049"></a>00049 <span class="comment">/** @} */</span> <a name="l00050"></a>00050 <span class="comment"></span> <a name="l00051"></a>00051 <span class="comment">/**</span> <a name="l00052"></a>00052 <span class="comment"> * @name Routing Type Translations</span> <a name="l00053"></a>00053 <span class="comment"> * @{</span> <a name="l00054"></a>00054 <span class="comment"> */</span> <a name="l00055"></a>00055 <a name="l00056"></a>00056 <span class="keyword">static</span> <span class="keyword">struct </span>trans_tbl rtntypes[] = { <a name="l00057"></a>00057 __ADD(RTN_UNSPEC,unspec) <a name="l00058"></a>00058 __ADD(RTN_UNICAST,unicast) <a name="l00059"></a>00059 __ADD(RTN_LOCAL,local) <a name="l00060"></a>00060 __ADD(RTN_BROADCAST,broadcast) <a name="l00061"></a>00061 __ADD(RTN_ANYCAST,anycast) <a name="l00062"></a>00062 __ADD(RTN_MULTICAST,multicast) <a name="l00063"></a>00063 __ADD(RTN_BLACKHOLE,blackhole) <a name="l00064"></a>00064 __ADD(RTN_UNREACHABLE,unreachable) <a name="l00065"></a>00065 __ADD(RTN_PROHIBIT,prohibit) <a name="l00066"></a>00066 __ADD(RTN_THROW,throw) <a name="l00067"></a>00067 __ADD(RTN_NAT,nat) <a name="l00068"></a>00068 __ADD(RTN_XRESOLVE,xresolve) <a name="l00069"></a>00069 }; <a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="keywordtype">char</span> *nl_rtntype2str(<span class="keywordtype">int</span> type, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> size) <a name="l00072"></a>00072 { <a name="l00073"></a>00073 <span class="keywordflow">return</span> __type2str(type, buf, size, rtntypes, ARRAY_SIZE(rtntypes)); <a name="l00074"></a>00074 } <a name="l00075"></a>00075 <a name="l00076"></a>00076 <span class="keywordtype">int</span> nl_str2rtntype(<span class="keyword">const</span> <span class="keywordtype">char</span> *name) <a name="l00077"></a>00077 { <a name="l00078"></a>00078 <span class="keywordflow">return</span> __str2type(name, rtntypes, ARRAY_SIZE(rtntypes)); <a name="l00079"></a>00079 } <a name="l00080"></a>00080 <span class="comment"></span> <a name="l00081"></a>00081 <span class="comment">/** @} */</span> <a name="l00082"></a>00082 <span class="comment"></span> <a name="l00083"></a>00083 <span class="comment">/**</span> <a name="l00084"></a>00084 <span class="comment"> * @name Scope Translations</span> <a name="l00085"></a>00085 <span class="comment"> * @{</span> <a name="l00086"></a>00086 <span class="comment"> */</span> <a name="l00087"></a>00087 <a name="l00088"></a>00088 <span class="keyword">static</span> <span class="keyword">struct </span>trans_tbl scopes[] = { <a name="l00089"></a>00089 __ADD(255,nowhere) <a name="l00090"></a>00090 __ADD(254,host) <a name="l00091"></a>00091 __ADD(253,link) <a name="l00092"></a>00092 __ADD(200,site) <a name="l00093"></a>00093 __ADD(0,universe) <a name="l00094"></a>00094 }; <a name="l00095"></a>00095 <a name="l00096"></a>00096 <span class="keywordtype">char</span> *rtnl_scope2str(<span class="keywordtype">int</span> scope, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> size) <a name="l00097"></a>00097 { <a name="l00098"></a>00098 <span class="keywordflow">return</span> __type2str(scope, buf, size, scopes, ARRAY_SIZE(scopes)); <a name="l00099"></a>00099 } <a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="keywordtype">int</span> rtnl_str2scope(<span class="keyword">const</span> <span class="keywordtype">char</span> *name) <a name="l00102"></a>00102 { <a name="l00103"></a>00103 <span class="keywordflow">return</span> __str2type(name, scopes, ARRAY_SIZE(scopes)); <a name="l00104"></a>00104 } <a name="l00105"></a>00105 <span class="comment"></span> <a name="l00106"></a>00106 <span class="comment">/** @} */</span> <a name="l00107"></a>00107 <span class="comment"></span> <a name="l00108"></a>00108 <span class="comment">/**</span> <a name="l00109"></a>00109 <span class="comment"> * @name Realms Translations</span> <a name="l00110"></a>00110 <span class="comment"> * @{</span> <a name="l00111"></a>00111 <span class="comment"> */</span> <a name="l00112"></a>00112 <a name="l00113"></a>00113 <span class="keywordtype">char</span> * rtnl_realms2str(uint32_t realms, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> len) <a name="l00114"></a>00114 { <a name="l00115"></a>00115 <span class="keywordtype">int</span> from = <a class="code" href="group__rtnl.html#gaddef770de253f34324768d500efc7dce" title="Extract FROM realm from a realms field.">RTNL_REALM_FROM</a>(realms); <a name="l00116"></a>00116 <span class="keywordtype">int</span> to = <a class="code" href="group__rtnl.html#ga1e942239f430a30cc570989ed612a927" title="Extract TO realm from a realms field.">RTNL_REALM_TO</a>(realms); <a name="l00117"></a>00117 <a name="l00118"></a>00118 snprintf(buf, len, <span class="stringliteral">"%d/%d"</span>, from, to); <a name="l00119"></a>00119 <a name="l00120"></a>00120 <span class="keywordflow">return</span> buf; <a name="l00121"></a>00121 } <a name="l00122"></a>00122 <span class="comment"></span> <a name="l00123"></a>00123 <span class="comment">/** @} */</span> <a name="l00124"></a>00124 <span class="comment"></span> <a name="l00125"></a>00125 <span class="comment">/** @} */</span> </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated on Mon Mar 21 2011 for libnl by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>